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- W2348359517 abstract "Polyetheretherketone (PEEK) is a super thermal engineering plastic material which has significant performances , particularly in respects of fracture toughness, damage tolerance and resistance to hot, and wet environments. It is considered to be a foremost thermoplastic matrix in composite materials for the application of high technologies such as aerospace field, automobile industry, and marine application, etc. The manufacturing of PEEK/ AS4 involves the components of composite materials and creates the microstructure, which ultimately governs the properties of the composites. The microstructures of PEEK/AS4 composites such as voids, fibre organisation and matrix morphology were examined by optical microscope, image analysis and scanning electron microscope ( SEM) in this work with satisfying results. Significant features are highlighted. Composites are essentially heterogeneous systems but the level of that heterogeneity depends on the scale of examination. The composites have 60% by volume of carbon fibres with an average diameter of 6. 9μm. The distribution of the carbon fibres is approximately uniform. The carbon fibres are generally well aligned in the laminates although some fibre misalignment exists. A high degree of fibre alignment optimises the reinforcing effect in the fibre direction. Spherulite structure is significantly evident in the matrix morphology. This crystalline structure occurs within the bulk of the matrix phase or from the fibre surfaces. A good bonding between the matrix and fibres is evident and a resin-rich layer between adjacent plies is visible. These provide the composites with good interface and interphase adhesion. The resin-rich area is significant for (±45)4s lay-ups, being associated with a significant shear stress in the deformation of this type of material." @default.
- W2348359517 created "2016-06-24" @default.
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- W2348359517 date "2007-01-01" @default.
- W2348359517 modified "2023-09-27" @default.
- W2348359517 title "Microstructural charaterization of Polyetheretherketon/AS4 composites" @default.
- W2348359517 hasPublicationYear "2007" @default.
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